<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script src="js/jquery-3.4.1.js"></script>
		<script>
			$(function(){
				$("button").click(function(){
					$("#res").load("data.txt #d3");
				})
			})
		</script>
	</head>
	<body>
		<button>load加载</button>
		<div>加载的结果：</div>
		<span id="res"></span>
	</body>
</html>
